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Finding the Fourth Proportional to 475,214.88, 655,818.08 and 271,320.96

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Solution

The fourth proportional to 475,214.88, 655,818.08 and 271,320.96 is: 374,435.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,214.88 : 655,818.08 = 271,320.96 : x
  2. Step 2: Convert to fraction form
    475,214.88/655,818.08 = 271,320.96/x
  3. Step 3: Cross multiply
    475,214.88x = 655,818.08 × 271,320.96
  4. Step 4: Simplify right side
    475,214.88x = 177,937,191,050.96
  5. Step 5: Solve for x
    x = 177,937,191,050.96/475,214.88
  6. Step 6: Final answer
    x = 374,435.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.